Debt (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Outstanding Debt Balances

Outstanding debt balances were as follows:

	June 30, 2013		December 31, 2012
Notes payable:
Uncommitted lines of credit	$	64,412	$	33,916
Other	639		296
	$	65,051	$	34,212
Long-term debt:
Credit facility	$	375,000	$	300,000
Senior notes	225,000		300,000
Industrial development revenue bonds	11,900		11,900
Other	4,961		5,634
	$	616,861	$	617,534